diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/SearchFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/SearchFragment.java
index e43b6f314..6526be005 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/SearchFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/SearchFragment.java
@@ -73,6 +73,7 @@ public class SearchFragment extends Fragment {
     private SearchView searchView;
     private Handler automaticSearchDebouncer;
     private long lastQueryChange = 0;
+
     /**
      * Create a new SearchFragment that searches all feeds.
      */
diff --git a/app/src/main/java/de/danoeh/antennapod/menuhandler/FeedItemMenuHandler.java b/app/src/main/java/de/danoeh/antennapod/menuhandler/FeedItemMenuHandler.java
index 23fdb86de..d9558d20f 100644
--- a/app/src/main/java/de/danoeh/antennapod/menuhandler/FeedItemMenuHandler.java
+++ b/app/src/main/java/de/danoeh/antennapod/menuhandler/FeedItemMenuHandler.java
@@ -120,7 +120,7 @@ public class FeedItemMenuHandler {
      * @return true if selectedItem is not null.
      */
     public static boolean onPrepareMenu(Menu menu, FeedItem selectedItem, int... excludeIds) {
-        if (menu == null || selectedItem == null ) {
+        if (menu == null || selectedItem == null) {
             return false;
         }
         boolean rc = onPrepareMenu(menu, selectedItem);
diff --git a/config/checkstyle/checkstyle.xml b/config/checkstyle/checkstyle.xml
index e23962381..8e82dd5e2 100644
--- a/config/checkstyle/checkstyle.xml
+++ b/config/checkstyle/checkstyle.xml
@@ -45,6 +45,9 @@
         <module name="FallThrough"/>
         <module name="UpperEll"/>
         <module name="ModifierOrder"/>
+        <module name="EmptyLineSeparator">
+            <property name="allowNoEmptyLineBetweenFields" value="true"/>
+        </module>
         <module name="SeparatorWrap">
             <property name="id" value="SeparatorWrapDot"/>
             <property name="tokens" value="DOT"/>
@@ -123,6 +126,7 @@
              value="COMMA, SEMI, POST_INC, POST_DEC, DOT, ELLIPSIS, METHOD_REF"/>
             <property name="allowLineBreaks" value="true"/>
         </module>
+        <module name="ParenPad"/>
         <module name="AnnotationLocation">
             <property name="id" value="AnnotationLocationMostCases"/>
             <property name="tokens"
@@ -146,6 +150,9 @@
         <module name="SingleLineJavadoc">
             <property name="ignoreInlineTags" value="false"/>
         </module>
+        <module name="EmptyCatchBlock">
+            <property name="exceptionVariableName" value="expected"/>
+        </module>
         <module name="NestedIfDepth">
             <property name="max" value="4"/>
         </module>
diff --git a/config/checkstyle/suppressions.xml b/config/checkstyle/suppressions.xml
index 8ca46df67..612d582bd 100644
--- a/config/checkstyle/suppressions.xml
+++ b/config/checkstyle/suppressions.xml
@@ -4,4 +4,9 @@
         "http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
 <suppressions>
     <suppress checks="MethodName" files="core/src/test/java/android/util/Log.java" />
+    <suppress checks="LineLength" files="strings.xml"/>
+    
+    <suppress checks="." files="[\\/]generated-sources[\\/]"/>
+    <suppress checks="." files="[\\/]build[\\/]"/>
+    <suppress checks="." files="[\\/].idea[\\/]"/>
 </suppressions>
diff --git a/core/src/main/java/de/danoeh/antennapod/core/backup/OpmlBackupAgent.java b/core/src/main/java/de/danoeh/antennapod/core/backup/OpmlBackupAgent.java
index a7337f288..37849c296 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/backup/OpmlBackupAgent.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/backup/OpmlBackupAgent.java
@@ -115,12 +115,7 @@ public class OpmlBackupAgent extends BackupAgentHelper {
             } catch (IOException e) {
                 Log.e(TAG, "Error during backup", e);
             } finally {
-                if (writer != null) {
-                    try {
-                        writer.close();
-                    } catch (IOException e) {
-                    }
-                }
+                IOUtils.closeQuietly(writer);
             }
         }
 
diff --git a/core/src/main/java/de/danoeh/antennapod/core/export/CommonSymbols.java b/core/src/main/java/de/danoeh/antennapod/core/export/CommonSymbols.java
index 3ed251047..2ce340328 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/export/CommonSymbols.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/export/CommonSymbols.java
@@ -11,6 +11,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package de.danoeh.antennapod.core.export;
 
 public class CommonSymbols {
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/download/HttpDownloader.java b/core/src/main/java/de/danoeh/antennapod/core/service/download/HttpDownloader.java
index cbfb2cede..698278af9 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/service/download/HttpDownloader.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/service/download/HttpDownloader.java
@@ -160,6 +160,7 @@ public class HttpDownloader extends Downloader {
                     try {
                         contentLength = Integer.parseInt(contentLen);
                     } catch (NumberFormatException e) {
+                        e.printStackTrace();
                     }
                 }
                 Log.d(TAG, "content length: " + contentLength);
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/playback/LocalPSMP.java b/core/src/main/java/de/danoeh/antennapod/core/service/playback/LocalPSMP.java
index 34fc7d699..0daa6b483 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/service/playback/LocalPSMP.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/service/playback/LocalPSMP.java
@@ -725,7 +725,9 @@ public class LocalPSMP extends PlaybackServiceMediaPlayer {
                 if (mediaPlayer.isPlaying()) {
                     mediaPlayer.stop();
                 }
-            } catch (Exception ignore) { }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
             mediaPlayer.release();
             mediaPlayer = null;
         }
diff --git a/core/src/test/java/android/util/Log.java b/core/src/test/java/android/util/Log.java
index 881d10209..a65bc80fa 100644
--- a/core/src/test/java/android/util/Log.java
+++ b/core/src/test/java/android/util/Log.java
@@ -215,6 +215,7 @@ public final class Log {
      * Added for this custom Log implementation, not in android sources.
      */
     private static final int WTF = 8;
+
     static int wtf(int logId, String tag, String msg, Throwable tr, boolean localStack,
                    boolean system) {
         return printlns(LOG_ID_MAIN, WTF, tag, msg, tr);